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편집 파일: stats_cdf_exponential.phpt

--TEST-- stats_cdf_exponential() --FILE-- <?php // which = 1 : calculate P from (X, SCALE) var_dump(round(stats_cdf_exponential(1, 2, 1), 6)); var_dump(round(stats_cdf_exponential(4, 3, 1), 6)); // which = 2 : calculate X from (P, SCALE) var_dump(round(stats_cdf_exponential(0.39346934, 2, 2), 6)); var_dump(round(stats_cdf_exponential(0.736402862, 3, 2), 6)); // which = 3 : calculate SCALE from (P, X) var_dump(round(stats_cdf_exponential(0.39346934, 1, 3), 6)); var_dump(round(stats_cdf_exponential(0.736402862, 4, 3), 6)); // error cases var_dump(stats_cdf_exponential(1, 2, 0)); // which < 1 var_dump(stats_cdf_exponential(4, 3, 4)); // which > 3 ?> --EXPECTF-- float(0.393469) float(0.736403) float(1) float(4) float(2) float(3) Warning: stats_cdf_exponential(): Third parameter should be in the 1..3 range in %s on line %d bool(false) Warning: stats_cdf_exponential(): Third parameter should be in the 1..3 range in %s on line %d bool(false)